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Cheap flights from the United Kingdom to Sydney from £387

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
1 Apr — 8 Apr1
1 adult

Cheap flight deals from United Kingdom to Sydney

Keep the following information in mind while searching for United Kingdom to Sydney flight deals. Data was last updated 27 March 2025.

Round-trip from

£679

One-way from

£387

Popular in

December

Cheapest in

May

Average price

£848

Good round-trip deal

£1,141 or less

Good one-way deal

£801 or less
China Eastern
  • China Eastern
  • 10/5-5/6
  • 3 total stops
  • 57h 20m total
  • United Kingdom to Sydney
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6/5
  • 6/5
  • 3 total stops
  • 56h 35m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£85 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.
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Price to beat on a one-way flight from United Kingdom to Sydney Kingsford Smith.
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Find flight deals from United Kingdom to Sydney

Cheapest flights from United Kingdom to Sydney
Explore the most affordable flight options available from United Kingdom to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2025.

Sat 10/518:00LGW - SYD
2 stops28h 40mChina Eastern
Thu 5/611:00SYD - LGW
1 stop28h 40mChina Eastern
Deal found 27/3£679
Mon 12/521:20LHR - SYD
1 stop30h 15mChina Eastern
Mon 19/511:20SYD - LHR
2 stops40h 20mChina Eastern
Deal found 27/3£679
Sat 12/421:30LGW - SYD
2 stops37h 10mChina Southern
Fri 2/521:45SYD - LGW
2 stops29h 45mChina Southern
Deal found 27/3£681
Sun 4/519:15LHR - SYD
2 stops39h 25mChina Southern
Thu 15/521:45SYD - LHR
2 stops29h 20mChina Southern
Deal found 26/3£682
Sun 20/420:35LHR - SYD
1 stop36h 15mAir India
Mon 5/519:30SYD - LHR
1 stop33h 30mAir India
Deal found 26/3£700
Tue 6/507:10LGW - SYD
2 stops51h 20mMultiple Airlines
Tue 27/512:50SYD - LGW
2 stops36h 10mMultiple Airlines
Deal found 27/3£714
Sun 11/507:50LTN - SYD
2 stops26h 50mMultiple Airlines
Sun 18/512:50SYD - LTN
2 stops34h 50mMultiple Airlines
Deal found 27/3£717
Tue 6/522:40LHR - SYD
1 stop31h 10mMultiple Airlines
Thu 22/521:00SYD - LHR
2 stops31h 30mMultiple Airlines
Deal found 26/3£721
Thu 8/520:25LHR - SYD
1 stop33h 25mAir China
Sun 25/519:40SYD - LHR
1 stop33h 50mAir China
Deal found 26/3£728
Thu 13/1116:55LGW - SYD
2 stops39h 40mTurkish Airlines
Thu 27/1121:15SYD - LGW
2 stops29h 45mTurkish Airlines
Deal found 27/3£753
Mon 26/522:00LHR - SYD
2 stops55h 15mHainan Airlines
Tue 10/621:00SYD - LHR
1 stop31h 30mHainan Airlines
Deal found 26/3£766
Sun 1/612:35LGW - SYD
1 stop41h 15mAir China
Tue 1/719:40SYD - LGW
1 stop43h 55mAir China
Deal found 27/3£782

Cheapflights Fare Finder

Customise your flight search to find flights from United Kingdom to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2025.
Use the filters below to find and compare flights from the United Kingdom to Sydney that are best for you.

Fly from

United Kingdom

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 6/5

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Tue 13/5

11:00-06:40

1 stop28h 40m

£679

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 12/5

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Mon 19/5

11:20-18:40

2 stops40h 20m

£679

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 3/5

21:30-19:40

2 stops61h 10m

Sydney Kingsford Smith

Mon 12/5

21:45-18:30

2 stops29h 45m

£682

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 4/5

19:15-19:40

2 stops39h 25m

Sydney Kingsford Smith

Thu 15/5

21:45-18:05

2 stops29h 20m

£682

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 20/4

20:35-17:50

1 stop36h 15m

Sydney Kingsford Smith

Mon 5/5

19:30-20:00

1 stop33h 30m

£700

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 6/5

07:10-19:30

2 stops51h 20m

Sydney Kingsford Smith

Tue 27/5

12:50-16:00

2 stops36h 10m

£714

LondonSydney

LTN - SYD

LTNSYD

London Luton

Sun 11/5

07:50-19:40

2 stops26h 50m

Sydney Kingsford Smith

Sun 18/5

12:50-14:40

2 stops34h 50m

£717

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 6/5

22:40-14:50

1 stop31h 10m

Sydney Kingsford Smith

Thu 22/5

21:00-19:30

2 stops31h 30m

£721

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 8/5

20:25-14:50

1 stop33h 25m

Sydney Kingsford Smith

Sun 25/5

19:40-20:30

1 stop33h 50m

£728

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Fri 9/5

14:00-19:00

2 stops44h 00m

Sydney Kingsford Smith

Fri 23/5

20:55-09:55

2 stops46h 00m

£756

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 60 results
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6

Best time to book a flight from United Kingdom to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Sydney

What is the cheapest month to book a flight from United Kingdom to Sydney?

Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £985). Flying from United Kingdom to Sydney in July is currently the most expensive (average of £1,727). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to SYD?

Find hourly flight availability from United Kingdom to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 March 2025.

When flying from United Kingdom to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 27 March 2025.
See what other customers who have flown with Singapore Airlines, Emirates and KLM from United Kingdom to Sydney have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very Good
1,285 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Emirates
8.0
Very Good
3,189 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
KLM
7.8
Good
1,321 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Hainan Airlines
7.8
Good
32 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
SWISS
7.5
Good
1,570 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from United Kingdom?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from United Kingdom. Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • What are the cheapest airlines to fly from United Kingdom to Sydney one-way?

    £411 is the cheapest one-way deal found within the past few days, from Air China. You may also be able to find cheap deals on Tianjin Airlines and Singapore Airlines, with prices starting from £416 and £423, respectively.

  • What are the most popular routes from United Kingdom to Sydney?

    Most travelers choose London Heathrow - Sydney Kingsford Smith, London Gatwick - Sydney Kingsford Smith or London Stansted - Sydney Kingsford Smith when deciding on the best route from United Kingdom to Sydney.

  • What are the cheapest flights from United Kingdom to Sydney?

    On average you can expect to pay £3,613 for a flight from United Kingdom to Sydney. The cheapest flight overall is £696 while the most popular route, (London Heathrow - Sydney Kingsford Smith) is currently priced at £546.

  • Can I find deals for flights from United Kingdom to Sydney that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Sydney.

  • Can I find deals for business class flights from United Kingdom to Sydney?

    Yes. Cheapflights offers flight deals from United Kingdom to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Sydney?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £985). Flying from United Kingdom to Sydney in July is currently the most expensive (average of £1,727). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

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Alternative routes for United Kingdom to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from United Kingdom to Sydney

Discover the top 10 airlines that operate flights from United Kingdom to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£349Average£1,241FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Austrian AirlinesCheapest£691Average£850FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air IndiaCheapest£702Average£920FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Vietnam AirlinesCheapest£795Average£1,172FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
XiamenAirCheapest£808Average£1,028FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Air FranceCheapest£848Average£1,199FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£886Average£1,392FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£899Average£1,569FlexibilityNo cancel feeOn-time75%
Search KLM flights
Juneyao AirlinesCheapest£931Average£1,396FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights
Japan AirlinesCheapest£941Average£1,264FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Sydney?

When you search for this flight from United Kingdom to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Sydney.

Can Cheapflights find flights from United Kingdom to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from United Kingdom to Sydney become cheaper?

Yes! Start tracking prices for United Kingdom to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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